US5808770A - Method and apparatus for using on-off-keying using laser relaxation oscillation - Google Patents
Method and apparatus for using on-off-keying using laser relaxation oscillation Download PDFInfo
- Publication number
- US5808770A US5808770A US08/580,911 US58091195A US5808770A US 5808770 A US5808770 A US 5808770A US 58091195 A US58091195 A US 58091195A US 5808770 A US5808770 A US 5808770A
- Authority
- US
- United States
- Prior art keywords
- optical
- relaxation oscillation
- subcarrier
- optical signal
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/504—Laser transmitters using direct modulation
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Abstract
Description
P∝Exp -αt!Sin ωt! (1)
α≈I/(2τ.sub.n I.sub.th) (2)
ƒ=2πω (4)
Claims (17)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/580,911 US5808770A (en) | 1995-12-29 | 1995-12-29 | Method and apparatus for using on-off-keying using laser relaxation oscillation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/580,911 US5808770A (en) | 1995-12-29 | 1995-12-29 | Method and apparatus for using on-off-keying using laser relaxation oscillation |
Publications (1)
Publication Number | Publication Date |
---|---|
US5808770A true US5808770A (en) | 1998-09-15 |
Family
ID=24323104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/580,911 Expired - Lifetime US5808770A (en) | 1995-12-29 | 1995-12-29 | Method and apparatus for using on-off-keying using laser relaxation oscillation |
Country Status (1)
Country | Link |
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US (1) | US5808770A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002019681A1 (en) * | 2000-08-28 | 2002-03-07 | Telenetwork, Inc. | Variable low frequency offset, differential, ook, high-speed twisted pair communication using telephone load coils |
US6452706B1 (en) * | 1998-01-27 | 2002-09-17 | Matsushita Electric Industrial Co., Ltd. | FM signal optical transmission apparatus and FM signal optical reception apparatus |
US6804466B1 (en) * | 1998-12-24 | 2004-10-12 | Contraves Space Ag | Optical coding system |
US20090207921A1 (en) * | 2008-02-14 | 2009-08-20 | International Business Machines Corporation | Apparatus and method to communicate information within a data storage library |
US20090310636A1 (en) * | 2008-06-13 | 2009-12-17 | Xerox Corporation | Light intensity boost for subpixel enhancement |
WO2009141449A3 (en) * | 2008-05-21 | 2010-01-28 | Silicon Line Gmbh | Circuit arrangement and method for controlling light emitting components |
US20140086345A1 (en) * | 2012-09-24 | 2014-03-27 | Korea Advanced Institute Of Science And Technology | Near field wireless transmission/reception method and apparatus |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5197075A (en) * | 1990-12-21 | 1993-03-23 | Cselt - Centro Studi E Laboratori Telecomunicazioni S.P.A. | Apparatus and method for the generation of modulated optical signals using a semiconductor laser |
US5367587A (en) * | 1991-11-08 | 1994-11-22 | Mitsubishi Denki Kabushiki Kaisha | Optical amplifier |
US5475699A (en) * | 1993-06-10 | 1995-12-12 | Rohm Co., Ltd. | Method for selecting a semiconductor laser |
US5519528A (en) * | 1993-06-07 | 1996-05-21 | Mitsubishi Denki Kabushiki Kaisha | Method of optical fiber communication |
US5548603A (en) * | 1994-02-22 | 1996-08-20 | Cselt-Centro Studi E Laboratori Telecomunicazioni S.P.A. | Method for the generation of ultra-short optical pulses |
US5646774A (en) * | 1995-01-17 | 1997-07-08 | Nippon Telegraph And Telephone Corporation | Mode-locked laser stabilizing method and apparatus |
US5659568A (en) * | 1995-05-23 | 1997-08-19 | Hewlett-Packard Company | Low noise surface emitting laser for multimode optical link applications |
-
1995
- 1995-12-29 US US08/580,911 patent/US5808770A/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5197075A (en) * | 1990-12-21 | 1993-03-23 | Cselt - Centro Studi E Laboratori Telecomunicazioni S.P.A. | Apparatus and method for the generation of modulated optical signals using a semiconductor laser |
US5367587A (en) * | 1991-11-08 | 1994-11-22 | Mitsubishi Denki Kabushiki Kaisha | Optical amplifier |
US5519528A (en) * | 1993-06-07 | 1996-05-21 | Mitsubishi Denki Kabushiki Kaisha | Method of optical fiber communication |
US5475699A (en) * | 1993-06-10 | 1995-12-12 | Rohm Co., Ltd. | Method for selecting a semiconductor laser |
US5548603A (en) * | 1994-02-22 | 1996-08-20 | Cselt-Centro Studi E Laboratori Telecomunicazioni S.P.A. | Method for the generation of ultra-short optical pulses |
US5646774A (en) * | 1995-01-17 | 1997-07-08 | Nippon Telegraph And Telephone Corporation | Mode-locked laser stabilizing method and apparatus |
US5659568A (en) * | 1995-05-23 | 1997-08-19 | Hewlett-Packard Company | Low noise surface emitting laser for multimode optical link applications |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6452706B1 (en) * | 1998-01-27 | 2002-09-17 | Matsushita Electric Industrial Co., Ltd. | FM signal optical transmission apparatus and FM signal optical reception apparatus |
US6804466B1 (en) * | 1998-12-24 | 2004-10-12 | Contraves Space Ag | Optical coding system |
WO2002019681A1 (en) * | 2000-08-28 | 2002-03-07 | Telenetwork, Inc. | Variable low frequency offset, differential, ook, high-speed twisted pair communication using telephone load coils |
US6519328B1 (en) | 2000-08-28 | 2003-02-11 | Telenetwork, Inc. | Variable low frequency offset, differential, OOK, high-speed twisted pair communication using telephone load coils |
US20090207921A1 (en) * | 2008-02-14 | 2009-08-20 | International Business Machines Corporation | Apparatus and method to communicate information within a data storage library |
US7995675B2 (en) | 2008-02-14 | 2011-08-09 | International Business Machines Corporation | Apparatus and method to communicate information within a data storage library |
WO2009141449A3 (en) * | 2008-05-21 | 2010-01-28 | Silicon Line Gmbh | Circuit arrangement and method for controlling light emitting components |
US20090310636A1 (en) * | 2008-06-13 | 2009-12-17 | Xerox Corporation | Light intensity boost for subpixel enhancement |
US8089996B2 (en) * | 2008-06-13 | 2012-01-03 | Xerox Corporation | Light intensity boost for subpixel enhancement |
US20140086345A1 (en) * | 2012-09-24 | 2014-03-27 | Korea Advanced Institute Of Science And Technology | Near field wireless transmission/reception method and apparatus |
US9413432B2 (en) * | 2012-09-24 | 2016-08-09 | Samsung Electronics Co., Ltd | Near field wireless transmission/reception method and apparatus |
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